AirHint found the following cheapest return flights from Barcelona (BCN) to Seoul (ICN) in December 2025 (see full year).

Return flights

04 Dec - 10 Dec	Scandinavian Airlines
04 Dec - 11 Dec	China Eastern
05 Dec - 10 Dec	China Eastern
04 Dec - 08 Dec	Scandinavian Airlines
04 Dec - 17 Dec	Scandinavian Airlines
06 Dec - 26 Dec	Air China
11 Dec - 20 Dec	China Eastern
12 Dec - 29 Dec	Air China
05 Dec - 13 Dec	Air China
08 Dec - 13 Dec	Air China
12 Dec - 06 Jan	Air China
11 Dec - 06 Jan	Air China
30 Dec - 07 Jan	Air China
09 Dec - 06 Jan	Air China
09 Dec - 07 Jan	Air China
09 Dec - 08 Jan	Air China
10 Dec - 06 Jan	Air China
10 Dec - 07 Jan	Air China
10 Dec - 08 Jan	Air China
11 Dec - 08 Jan	Air China

Also check the deals for one-way flights from Barcelona to Seoul in December.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from Barcelona to Seoul in December from 451€

Return flights